Vitamin B12 accelerates worm development

Everyday our cells take in nutrients from food and convert them into the building blocks that make life possible. However, it has been challenging to pinpoint exactly how a single nutrient or vitamin changes gene expression ...

Hydrogen-powered invasion

Although mankind is only just beginning to use hydrogen as an energy source, the concept has been established in nature for a long time. Researchers at ETH Zurich have discovered that the diarrhea-causing bacterium Salmonella ...

Teamwork against mutant free riders

(Phys.org)—Pathogenic salmonellae rely on a division of labour: some of them see to the common wellbeing, while others are able to stand up to free rider salmonellae better. This teamwork bears certain similarities to that ...

Using computer models to help our fragile ecosystem

Global warming is well-known for its effect on the climate. But it also poses a threat to the world's ecosystems. University of Toronto researcher Benjamin Gilbert wants to know more about that process.

Rare forget-me-nots discovered in the mountains of New Zealand

Two rare species of forget-me-nots have been added to Flora of New Zealand. These new species were discovered in the mountains of the South Island during an expedition led by Dr. Carlos A. Lehnebach. These new species have ...

Reforestation efforts reshape Hawaii's soil hydrology

Starting with the arrival of Polynesian settlers in the fourth century, and peaking in the mid-1800s, the destructive forces of wildfires and pests and the grazing of feral pigs, goats, and cattle reduced the native forests ...

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